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FTDI support: add minimal debugging output

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Copied the libdivecomputer macros for convenience.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2017-05-29 20:56:42 -07:00
parent c05fe9fc9b
commit cbe03fd88d
2 changed files with 19 additions and 2 deletions
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6
core/serial_ftdi.c
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@ -121,6 +121,7 @@ static dc_status_t serial_ftdi_sleep (ftdi_serial_t *device, unsigned long timeo
// Used internally for opening ftdi devices
static int serial_ftdi_open_device (struct ftdi_context *ftdi_ctx)
{
INFO(0, "serial_ftdi_open_device called");
int accepted_pids[] = { 0x6001, 0x6010, 0x6011, // Suunto (Smart Interface), Heinrichs Weikamp
0xF460, // Oceanic
0xF680, // Suunto
@ -131,6 +132,7 @@ static int serial_ftdi_open_device (struct ftdi_context *ftdi_ctx)
for (i = 0; i < num_accepted_pids; i++) {
pid = accepted_pids[i];
ret = ftdi_usb_open (ftdi_ctx, VID, pid);
INFO(0, "FTDI tried VID %04x pid %04x ret %d\n", VID, pid, ret);
if (ret == -3) // Device not found
continue;
else
@ -145,13 +147,14 @@ static int serial_ftdi_open_device (struct ftdi_context *ftdi_ctx)
// Initialise ftdi_context and use it to open the device
static dc_status_t serial_ftdi_open (void **userdata, const char* name)
{
INFO(0, "serial_ftdi_open called");
// Allocate memory.
ftdi_serial_t *device = (ftdi_serial_t *) malloc (sizeof (ftdi_serial_t));
if (device == NULL) {
SYSERROR (context, errno);
return DC_STATUS_NOMEMORY;
}
INFO(0, "setting up ftdi_ctx");
struct ftdi_context *ftdi_ctx = ftdi_new();
if (ftdi_ctx == NULL) {
free(device);
@ -171,6 +174,7 @@ static dc_status_t serial_ftdi_open (void **userdata, const char* name)
device->nbits = 0;
// Initialize device ftdi context
INFO(0, "initialize ftdi_ctx");
ftdi_init(ftdi_ctx);
if (ftdi_set_interface(ftdi_ctx,INTERFACE_ANY)) {